Hologic's three largest insider shareholders as of March 23, 2026 are Stephen P Macmillan (Chairman, President And Ceo, 1.42Mn shares), John M. Griffin (General Counsel, 182.51K shares), Karleen Marie Oberton (Chief Financial Officer, 150.74K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Stephen P Macmillan | Chairman, President And Ceo | 1,423,837 | 0 | 18 Nov, 2025 |
| John M. Griffin | General Counsel | 182,514 | 0 | 18 Nov, 2024 |
| Karleen Marie Oberton | Chief Financial Officer | 150,735 | 0 | 18 Nov, 2025 |
| Jan Verstreken | Group President, International | 134,039 | 0 | 18 Nov, 2025 |
| Sally Crawford | 132,927 | 0 | 11 Mar, 2024 | |
| Essex D Mitchell | Chief Operating Officer | 77,610 | 0 | 18 Nov, 2025 |
| Kevin R Thornal | Group Pres, Global Diagnostics | 62,368 | 0 | 17 Nov, 2022 |
| Christiana Stamoulis | 50,526 | 0 | 02 Mar, 2026 | |
| Sean S. Daugherty | Group President, Bsh Surg. | 49,091 | 0 | 28 Feb, 2022 |
| Scott T Garrett | 48,611 | 0 | 15 Mar, 2024 | |
| Jennifer M Schneiders | President, Diag. Solutions | 41,318 | 0 | 18 Nov, 2025 |
| Anne M. Liddy | General Counsel | 28,052 | 0 | 02 Mar, 2026 |
| Amy Mcbride Wendell | 25,784 | 0 | 02 Mar, 2026 | |
| Erik S Anderson | Div. Pres., Breast Skeletal | 23,231 | 0 | 18 Nov, 2024 |
| Mark W. Horvath | President, Breast Skeletal | 23,026 | 0 | 12 Feb, 2026 |
| Namal Nawana | 18,221 | 0 | 13 Mar, 2023 | |
| Benjamin Jordan Cohn | Principal Accounting Officer | 17,884 | 0 | 18 Nov, 2025 |
| Brandon Schnittker | President, Gyn Surgical | 17,512 | 0 | 16 Dec, 2025 |
| Ludwig Hantson | 16,146 | 0 | 02 Mar, 2026 | |
| Peter Paul Dunne | Svp, Human Resources | 10,643 | 0 | 15 Dec, 2023 |
| Elisabeth A Hellmann | Svp, Human Resources | 9,574 | 0 | 16 Nov, 2023 |
| Stacey D. Stewart | 8,358 | 0 | 02 Mar, 2026 | |
| Walt Diana De | Svp, Human Resources | 7,603 | 0 | 03 Feb, 2026 |
| Nanaz Mohtashami | 7,371 | 0 | 02 Mar, 2026 | |
| Charles J Dockendorff | 6,626 | 0 | 02 Mar, 2026 | |
| Martin D Madaus | 0 | 5,445 | 09 May, 2025 | |
| Martin D Madaus | 5,396 | 0 | 02 Mar, 2026 | |
| Wayde D. Mcmillan | 4,932 | 0 | 02 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 26 Feb, 2026 | Stacey D. Stewart | Common Stock | A | 3,190 | - | 8,358 | D | A |
| 26 Feb, 2026 | Nanaz Mohtashami | Common Stock | A | 3,190 | - | 7,371 | D | A |
| 26 Feb, 2026 | Christiana Stamoulis | Common Stock | A | 3,190 | - | 50,526 | D | A |
| 26 Feb, 2026 | Amy Mcbride Wendell | Common Stock | A | 3,190 | - | 25,784 | D | A |
| 26 Feb, 2026 | Wayde D. Mcmillan | Common Stock | A | 3,190 | - | 4,932 | D | A |
| 26 Feb, 2026 | Martin D Madaus | Common Stock | A | 3,190 | - | 5,396 | D | A |
| 26 Feb, 2026 | Charles J Dockendorff | Common Stock | A | 3,190 | - | 6,626 | D | A |
| 27 Feb, 2026 | Anne M. Liddy | Common Stock | D | 185 | $75.36 | 28,052 | D | F |
| 26 Feb, 2026 | Ludwig Hantson | Common Stock | A | 3,190 | - | 16,146 | D | A |
| 10 Feb, 2026 | Mark W. Horvath | Common Stock | D | 113 | $75.15 | 23,026 | D | F |
| 30 Jan, 2026 | Walt Diana De | Common Stock | D | 4,416 | $74.93 | 7,603 | D | F |
| 30 Jan, 2026 | Walt Diana De | Common Stock | D | 4,416 | $74.93 | 7,603 | D | F |
| 12 Dec, 2025 | Brandon Schnittker | Common Stock | D | 90 | $75.00 | 17,512 | D | F |
| 14 Nov, 2025 | Jennifer M Schneiders | Common Stock | D | 561 | $74.15 | 41,318 | D | F |
| 14 Nov, 2025 | Essex D Mitchell | Common Stock | D | 1,342 | $74.15 | 77,610 | D | F |
| 14 Nov, 2025 | Stephen P Macmillan | Common Stock | D | 6,874 | $74.15 | 1,423,837 | D | F |
| 14 Nov, 2025 | Brandon Schnittker | Common Stock | D | 178 | $74.15 | 17,602 | D | F |
| 14 Nov, 2025 | Anne M. Liddy | Common Stock | D | 337 | $74.15 | 28,237 | D | F |
| 14 Nov, 2025 | Jan Verstreken | Common Stock | D | 196 | $74.15 | 134,039 | D | F |
| 14 Nov, 2025 | Karleen Marie Oberton | Common Stock | D | 1,333 | $74.15 | 150,735 | D | F |